Made in USA
K1-6710-3937 FX-Series Flat Top Piston Set for 2005-2019 SB Mopar Hemi Gen-III, 3.937 in. Bore, -1.5cc Volume [OEM Stroke]
InfoVehicle Info Needed
DSS RACINGPART NUMBER: 915-K1-6710-3937

K1-6710-3937 FX-Series Flat Top Piston Set for 2005-2019 SB Mopar Hemi Gen-III, 3.937 in. Bore, -1.5cc Volume [OEM Stroke]

$95895
ShippingShips on Sep 03, 2026
Lowest PriceLowest Price Guarantee

Mopar Gen III Hemi
FX-Series Flat Top Piston Set
  • 2005-2019 SB Mopar Hemi Gen-III
  • Bore: 3.937 in.
  • Head Volume: -1.5cc
  • Material: Forged 4032
  • Pin Diameter: .927 in.
  • Pin Style: Press or Full Float
  • Ring Thickness: 1.2/1.2/3 mm
  • OEM Stroke
  • Set of 8

    DSS Racing K1-6710-3937 Features:

    • 6 additional areas of CNC milling for weight reduction in non critical areas
    • Thinner Ring Grooves Maximize Critical Ring Land Strength
    • Larger CNC Machined Valve Reliefs for More Aggressive Head & Cam Combinations
    • Heavy-Duty Piston Pins
    • Double True Arc Pin Locks, Provide Redundancy
    • Precision CNC Finished Pin Bores
    • Drilled Forced Wrist Pin Oiling
    • Drilled Bottom Ring Land Intersecting Oil Drain Backs
    • Advanced Profile Precision Diamond-Turned Skirts
    • Boost and NOS Ready! (Moderate to High Levels)
    • Includes matching DSS Racing Ductile Moly ring set.
    • Ring Set Required: RS-XP600-3937
    • Ring Series: XP600
    • Fits Base Engine: 5.7
    • Compression Ratio: 65cc-10.57, 74cc-9.54, 85cc-8.55
    • Calculated Zero Deck: 9.242
    • Compression Height: 1.21 in.
    • Rod Length: 6.243 in.
    • Stroke: 3.578 in. (OEM Stroke)
    • Pin Locking Rings Included: Yes
    • Wrist Pin Included: Yes
    • Oil Rail Support Ring Included: N/A
    • With Rings Without Rings: With Rings
    • Total Valve Reliefs: 2
  • Part TypePiston
    BrandDSS RACING
    Package Height10.0
    Package Width10.0
    Package Length10.0
    Weight17.0 PG
    Part CategoryPerformance Parts
    Pin Lock Rings IncludedYes
    Compression Height (In)1.21
    Bore (In)3.937
    Wrist Pin StylePress or Full Floating
    QuantitySet of 8
    Piston Head Volume-1.5cc
    Piston StyleFlat Top
    Compression Ratio65cc-10.57, 74cc-9.54, 85cc-8.55
    Ring Thickness1.2/1.2/3 mm
    Piston MaterialForged 4032
    Pin Diameter (In)0.927
    Part FitmentSemi Universal
    Wrist Pin IncludedYes
    Snap Rings IncludedYes
    Vendor Part NumberK1-6710-3937
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

    Items You Need

    Engine Assembly Lube [4 oz. Bottle]

    JEGS

    Engine Assembly Lube [4 oz. Bottle]

    Part Number : 555-28000
    $589$6.99
    You Save$1.10
    Piston Ring Pliers Installs and Removes Rings without Breakage

    JEGS

    Piston Ring Pliers Installs and Removes Rings without Breakage

    Part Number : 555-80845
    $647$6.99
    You Save$0.52
    Wrinkle Band Ring Compressor Adjustable for 3" -5" Bore Sizes

    JEGS

    Wrinkle Band Ring Compressor Adjustable for 3" -5" Bore Sizes

    Part Number : 555-W80574
    $1599$17.99
    You Save$2.00
    32-Blade Feeler Gauge Kit 0.0015" to 0.035" (0.038mm to 0.889mm)

    JEGS

    32-Blade Feeler Gauge Kit 0.0015" to 0.035" (0.038mm to 0.889mm)

    Part Number : 555-80500
    $999$10.99
    You Save$1.00
    Offset 12-Blade Feeler Gauge Kit 0.008" to 0.026" (0.203mm to 0.660mm)

    JEGS

    Offset 12-Blade Feeler Gauge Kit 0.008" to 0.026" (0.203mm to 0.660mm)

    Part Number : 555-80501
    $1499$16.19
    You Save$1.20
    Piston Ring Filer & Grinder Tool 170/140 Grit

    JEGS

    Piston Ring Filer & Grinder Tool 170/140 Grit

    Part Number : 555-80514
    $4199$46.99
    You Save$5.00
    66765 Electric Piston Ring Filer, Electronic Rechargeable Model

    PROFORM

    66765 Electric Piston Ring Filer, Electronic Rechargeable Model

    Part Number : 778-66765
    $32999$359.99
    You Save$30.00
    Electric Piston Ring Filer

    PROFORM

    Electric Piston Ring Filer

    Part Number : 778-66758
    $18999
    PRF-812DW Powered Piston Ring Filer

    TOTAL SEAL

    PRF-812DW Powered Piston Ring Filer

    Part Number : 901-PRF-812DW
    $89995
    Break-In Oil, 10W30 [1 Quart, 32 oz.]

    JEGS

    Break-In Oil, 10W30 [1 Quart, 32 oz.]

    Part Number : 555-28067
    $899$9.99
    You Save$1.00
    Break-In Oil 20W50 Quart

    JEGS

    Break-In Oil 20W50 Quart

    Part Number : 555-28068
    $899$9.99
    You Save$1.00
    Engine Storage Bag 48 in. L x 35 in. W x 34 in. H

    JEGS

    Engine Storage Bag 48 in. L x 35 in. W x 34 in. H

    Part Number : 555-80039
    $1199$12.99
    You Save$1.00
    Mechanic Chair & Step Stool on Wheels [300 lb. Capacity]

    JEGS

    Mechanic Chair & Step Stool on Wheels [300 lb. Capacity]

    Part Number : 555-81156
    $9099$111.99
    You Save$21.00
    60 LED Work Light

    JEGS

    60 LED Work Light

    Part Number : 555-81927
    $2569$31.99
    You Save$6.30
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning
    Your Cart

    Your shopping cart is empty!